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There are 8 possible outcomes when a coin is tossed 3 times. Here they are:

1. Heads, Heads, Tails.

2. Heads, Tails, Heads.

3. Tails, Heads, Heads.

4. Heads, Heads, Heads.

5. Tails, Tails, Heads.

6. Tails, Heads, Tails.

7. Heads, Tails, Tails.

8. Tails, Tails, Tails.

There is only one outcome that is heads, heads, heads, so the probability of three heads coming up in three coin tosses is 1 in 8 or 0.125 for that probability.

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โˆ™ 2011-02-20 17:18:30
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Q: If a coin is tossed 3 times what is the probability of 3 heads?
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